From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aapo Vienamo Subject: [PATCH v2 18/40] mmc: tegra: Perform pad calibration after voltage switch Date: Fri, 10 Aug 2018 21:08:20 +0300 Message-ID: <1533924522-1037-19-git-send-email-avienamo@nvidia.com> References: <1533924522-1037-1-git-send-email-avienamo@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1533924522-1037-1-git-send-email-avienamo@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Thierry Reding , Jonathan Hunter , Ulf Hansson , Adrian Hunter , Mikko Perttunen , Stefan Agner Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, Aapo Vienamo List-Id: devicetree@vger.kernel.org Run the automatic pad calibration after voltage switching if tegra_host->pad_calib_required is set. Signed-off-by: Aapo Vienamo --- drivers/mmc/host/sdhci-tegra.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index eff1c82..d7f3480 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -572,6 +572,8 @@ static int sdhci_tegra_start_signal_voltage_switch(struct mmc_host *mmc, struct mmc_ios *ios) { struct sdhci_host *host = mmc_priv(mmc); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); int ret = 0; if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330) { @@ -586,6 +588,9 @@ static int sdhci_tegra_start_signal_voltage_switch(struct mmc_host *mmc, ret = tegra_sdhci_set_padctrl(host, ios->signal_voltage); } + if (tegra_host->pad_calib_required) + tegra_sdhci_pad_autocalib(host); + return ret; } -- 2.7.4